Open pdfedit.com/crop-pdf in any browser, drop your PDF onto the page. The crop modal opens automatically. Click Auto-detect content margins or set them with the four sliders. Click Apply, then Save. No account, no upload, no Adobe Pro.

How do I crop a PDF for free?

Use this tool — 100% free, no signup, no daily quota. Drop the PDF, set margins, apply, save. The crop runs in your browser using pdf-lib.

Yes. PDFs have a CropBox property that controls the visible region of each page — every PDF reader respects it. Cropping a PDF means setting that CropBox to a smaller rectangle. We do that in your browser without modifying the underlying content stream, so the original layout can be restored.

How do I crop a PDF on Mac?

Two options: (1) macOS Preview — File → Open the PDF → drag a selection rectangle around what you want to keep → Tools → Crop. Works offline, no install. (2) This tool — drop the PDF here, the crop modal opens, set margins or auto-detect, apply. Useful when Preview isn't available or when you need batch-style margin control.

How do I crop a PDF in Adobe?

In Adobe Acrobat Pro ($19.99/month): Edit PDF → Crop Pages → drag a rectangle on the page → set margins for all pages → OK. Adobe also offers Remove White Margins which auto-detects content. We do the same auto-detect, free, in your browser, no install.

Is this PDF crop tool free?

Yes. 100% free forever — no trial, no premium tier, no per-file charge, no daily quota.

No. The crop runs entirely in your browser via pdf-lib. Your PDF never leaves your device.

Will the cropped content be permanently deleted?

No — this is a soft crop (CropBox). The original page bounds are preserved in the file's MediaBox; the CropBox just defines the visible region. Reopening the PDF in any editor and resetting the CropBox restores the trimmed area. This is the same behaviour Adobe Acrobat's Crop tool produces.

Can I auto-detect content margins?

Yes — click Auto-detect content margins in the modal. We render page 1, scan for the bounding box of non-white pixels, and set margins to crop tight to the content with a small padding. Most documents have consistent margins across pages so page 1 is a reliable sample. Best for scanned documents, slides exported as PDF, and any doc with surrounding whitespace.

Can I crop one page or all pages?

Both. The modal has a scope selector — Apply to all pages (default) or Current page only. The current-page mode is useful for fixing odd one-off pages without altering the rest of the document.

Will the cropped PDF lose any quality?

No. Cropping doesn't re-encode any content — it just sets a smaller visible region. Text stays text, images stay images, vectors stay vectors at full fidelity. The output file size is essentially identical to the input.

What is a CropBox in a PDF?

PDFs have several boxes per page — MediaBox (full physical extent), CropBox (visible region in viewers), BleedBox (print bleed), TrimBox (final trim line), ArtBox (meaningful content). Setting the CropBox is what 'cropping' actually means in PDF terms. Adobe, Preview, and our tool all set CropBox.

Does it work on mobile?

Yes. iPhone Safari, iPad, Android Chrome — any modern mobile browser.

What's the best way to crop a PDF?

For privacy-first cropping with auto-detect and no upload, we believe pdfedit.com is the best free option. On Mac, Preview's built-in crop is a solid offline alternative. For desktop / batch automation, Adobe Acrobat Pro is the gold standard but costs $19.99/month.

Geàrr PDF — An-asgaidh, Sa Bhrabhsair, Gun Luchdachadh Suas

Geàrr iomaill, thoir air falbh àite bàn, freagair ris an t-susbaint. Fèin-lorg no suidhich le làimh. Ro-shealladh beò. Gun bhalla pàighidh Adobe Pro.

Drop a PDF — the crop modal opens with a live preview. Click Lorg iomaill susbaint gu fèin-obrachail to trim the surrounding whitespace automatically, or use the four sliders for manual top / right / bottom / left margins. Soft crop (CropBox) — same approach Adobe Acrobat uses. Original content is preserved; the crop can be reset later.

Leig às do PDF an seo

Chan fheumar luchdachadh suas. Fosglaidh am modal gearraidh aon uair 's gu bheil do PDF air a luchdachadh.

Mar a Ghearras Tu PDF — Ceum air Cheum

1
Leig às do PDF
Drag any PDF onto the dropzone above, or click Tagh PDF to browse. The file loads into your browser memory only — no server upload.
2
Briog Fèin-lorg iomaill susbaint
Sgrùdaidh am modal duilleag 1 airson bogsa-iadhaidh susbaint neo-gheal agus suidhichidh e iomaill gus gearradh teann air an t-susbaint. Tha iomaill chunbhalach aig a' mhòr-chuid de sgrìobhainnean thar dhuilleagan agus mar sin tha duilleag 1 na shamhla earbsach.
3
No suidhich iomaill le làimh
Cleachd na ceithir slaighdearan airson iomaill mullach / deas / bonn / clì (0-50% gach fear). Seallaidh an ro-shealladh beò an raon ghearrte ann an dearg gus an urrainn dhut faicinn dìreach dè tha air a ghearradh.
4
Tagh raon: a h-uile duilleag no duilleag làithreach
'S e a h-uile duilleag a th' ann o thùs. Atharraich gu duilleag làithreach a-mhàin airson duilleagan neònach aon-uair gun atharrachadh a thoirt air a' chòrr den sgrìobhainn.
5
Cuir an sàs is sàbhail
Briog Cuir an Sàs. Ath-luchdaichidh am PDF gearrte san deasaiche. Briog Sàbhail airson luchdachadh sìos. 'S e CropBox bog a th' anns a' ghearradh — gabhaidh an t-susbaint thùsail aiseag tro ath-shuidheachadh an CropBox an dèidh làimh.

Carson An Inneal Gearraidh PDF Seo a Chleachdadh?

Lorg iomaill susbaint gu fèin-obrachail

A' ghnè mharbhtach. Rinneadh duilleag 1, sgrùdaidh i piogsailean neo-gheal, suidhichidh i iomaill gus gearradh teann air an t-susbaint le pasgan beag. Foirfe do dh'sgrìobhainnean sganaichte, deicean shleamhnagan, agus rud sam bith le àite bàn timcheall.

100% ionadail

Cha fhàg do PDF do dh'inneal a-riamh. Tha Adobe (lìon), iLovePDF, Sejda, Smallpdf, PDF24 uile a' luchdachadh suas — chan eil sinn.

Gearradh bog, ion-tilleadh

Suidhichidh sinn CropBox na duilleige, chan e am MediaBox. Tha an t-susbaint thùsail air a gleidheadh; chan eil an gearradh ach a' caolachadh na roinne fhaicsinneach. An aon dòigh-obrach a chleachdas Adobe Acrobat airson Edit → Crop. Aisigidh ath-shuidheachadh an CropBox an duilleag thùsail.

Ro-shealladh beò

Ùraichidh gach atharrachadh iomaill an ro-shealladh sa bhad le tar-chòmhdach dearg air a' raon ghearrte. Gun tomhais.

Gun chall càileachd

Cha chuir gearradh ath-chòdachadh air dad. Tha teacsa, dealbhan agus vectoran uile air an gleidheadh aig làn cho-chòrdadh. Meud faidhle às-chuir ≈ ion-chur.

An-asgaidh, gun chlàradh, gun chrìoch

Gun chunntas, gun phost-d, gun captcha, gun chuota làitheil, gun chomharra-uisge.

Geàrr PDF an coimeas ri Adobe Acrobat, iLovePDF, Sejda, macOS Preview

Gnè	PDF Edit	Adobe Acrobat Pro	iLovePDF	Sejda	macOS Preview
PDF air a luchdachadh suas gu frithealaiche?	Chan eil — 100% ionadail	Tha (lìon) / Chan eil (deasg)	Tha	Tha	Chan eil
Cosgais	An-asgaidh	$19.99/month	An-asgaidh + pàighte	An-asgaidh + pàighte	An-asgaidh (Mac a-mhàin)
Iomaill susbaint a lorg gu fèin-obrachail?	Tha	Tha (Thoir Air Falbh Iomaill Geal)	Chan eil	Cuingichte	Chan eil
Ro-shealladh beò?	Tha	Tha	Cuingichte	Tha	Tha
Gach duilleag no aon duilleag?	An dà chuid	An dà chuid	Uile a-mhàin	An dà chuid	Gach duilleag
Thar-àrd-ùrlar?	Brabhsair sam bith	Win / Mac / lìon	Lìon	Lìon	Mac a-mhàin
Ag obair far loidhne às dèidh luchdachadh?	Tha	Deasg tha / lìon chan eil	Chan eil	Chan eil	Tha

'S e macOS Preview an roghainn as fheàrr a tha togte a-staigh do luchd-cleachdaidh Mac. Don a h-uile duine eile (Windows, Linux, Chromebook, fònaichean), no airson a' ghnè fèin-lorgaidh air Mac, còmhdaichidh an inneal seo na nach urrainn do Preview a dhèanamh.

Ceistean Cumanta

Ciamar a ghearras mi PDF?

Leig às am PDF air an duilleig gu h-àrd. Fosglaidh am modal gearraidh. Briog Fèin-lorg no suidhich iomaill le làimh. Briog Cuir an Sàs, an uairsin Sàbhail.

Ciamar a ghearras mi PDF an-asgaidh?

Cleachd an inneal seo — 100% an-asgaidh, gun chlàradh, gun chuota làitheil.

An urrainn dhut PDF a ghearradh?

Tha — tha feart CropBox aig gach PDF a mhìnicheas an roinn fhaicsinneach. Tha gearradh PDF a' ciallachadh an CropBox sin a shuidheachadh nas lugha. Nì sinn sin sa bhrabhsair agad.

Ciamar a ghearras mi PDF air Mac?

Dà roghainn: macOS Preview (slaod ceart-cheàrnach taghaidh, Tools → Crop), no an inneal seo (barrachd gnèithean, fèin-lorg, thar-àrd-ùrlar).

Ciamar a ghearras mi PDF ann an Adobe?

Adobe Acrobat Pro: Edit PDF → Crop Pages → slaod ceart-cheàrnach → suidhich iomaill → OK. Ballrachd $19.99/month. Nì am fear againne an aon ghnè fèin-lorgaidh, an-asgaidh.

An tèid an t-susbaint ghearrte a sguabadh às gu buan?

Chan eil — gearradh bog. Suidhichidh sinn an CropBox, chan e an MediaBox. Tha crìochan tùsail na duilleige air an gleidheadh agus 's urrainn an aiseag.

An urrainn dhomh iomaill susbaint a lorg gu fèin-obrachail?

Tha. Briog Fèin-lorg iomaill susbaint. Sgrùdaidh sinn duilleag 1 airson piogsailean neo-gheal agus suidhichidh sinn iomaill gus gearradh teann air an t-susbaint.

An caill am PDF gearrte càileachd sam bith?

Cha chaill. Cha chuir gearradh ath-chòdachadh air dad — tha teacsa, dealbhan agus vectoran uile air an gleidheadh aig làn cho-chòrdadh.

Dè th' ann an CropBox?

Am feart duilleig PDF a stiùireas an roinn fhaicsinneach ann an luchd-amhairc. 'S e ga shuidheachadh nas lugha an dearbh rud a tha gearradh PDF a' ciallachadh.

A bheil mo PDF air a luchdachadh suas?

Chan eil. Ruithidh an gearradh gu tur sa bhrabhsair agad tro pdf-lib.

A bheil crìoch air meud nam faidhlichean?

Chan eil crìoch fhuadain ann.

An obraich e air fònaichean?

Tha — iPhone Safari, iPad, Android Chrome.

An obraich e far loidhne?

Tha aon uair 's gu bheil an duilleag air luchdachadh.

Mun inneal seo: 'S e an t-inneal gearraidh seo an DEARBH inneal gearraidh a thig leis a' phrìomh dheasaiche againn — leig às do PDF, fosglaidh an deasaiche leis a' mhodal gearraidh mar-thà gnìomhach. Aon fhìrinn, gun chòd gearraidh dùbailte. Cha fhàg am PDF do dh'inneal a-riamh — suidhichidh pdf-lib an CropBox gu tur sa bhrabhsair agad.

Last updated: 2026-05-01